High Mast Street Light

Features of High Mast Street Light:
Material Construction: BS-EN -10025
Thickness in mm: 5(bottom) & 4(rest),
Diameter (polygon) in mm: 150(top)/540(bottom)
No. of joints: 2 a 4 (as per height)
Type of joints: slip stress fit
Metal protection treatment for fabrication: hot dip galvanized
Average thickness of galvanizations: minimum 70 Microns (IS 2629)
Size of opening door at base (mm): 250 x 1000
Size of Base Plate (mm): 540 dia. x 25 thick
Max weights of high mast (in kg): 800 (16 mtr) & 1400 (30 mtr)
Maximum wind pressure: 180 km/hr (IS 875,part3)
Maximum gust speed time: 3 seconds
Factor of safety for wind load: 1.25
Winch for lantern carriage: self sustaining type
Power tool: reversible motor & redu gear mech.
Type of foundation (RCC): open raft shallow footing
Size of foundation: as per soil bearing capacity
Designed load bearing capacity of soil: considered 10 tons/M.Sq.
Design safety factor: 1.20
Considered wind speed (km/hr.): 180 km/hr.(IS 875,1987)
Depth of foundations (mm): as per height/drawing
Number of Foundation Bolts: minimum 12 nos.
PCD of Foundation Bolts (mm): 650
Foundation Bolt diameter (min.): 25 mm M.S.
Cable Conduction size: 5 core x 2.5 sq. mm copper
Input supply: 415 V, 3 phase.